Argus Just because something is Poster, 13.375" x 19" Create inspiring environments; encourage learning and positive character traits with ARGUS Posters Bold artwork, clearly-readable text, and thoughtful messages ensure your point gets across. Useful in classrooms, offices, dorms, and home. Quality printing on durable cardstock for years of use. 13.375" x 19". Store in TREND File 'n Save System Poster Storage Boxes; sized to fit and protect.